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Overview
- 100A Current Rating
- 480VAC Voltage Rating
- IP69 Ingress Protection
- NEMA Type 4X Enclosure Rating
- Durable Poly Construction, Blue Color
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Frequently Asked Questions
What is the maximum operating voltage?
The maximum operating voltage is 600 VAC.
What is the maximum amperage rating?
The maximum amperage rating is 100 A.
Is this product UL/CSA certified?
Yes, it is UL 1682 and CSA C22.2 NO. 182.1 certified.
What is the temperature range for this product?
The temperature range is from -40°F to 140°F.
What wire sizes are compatible with this product?
The wiring capacity is from 10 AWG to 2 AWG, with auxiliary contacts maxing at 14 AWG.
What environmental ratings does this product have?
The product has environmental ratings of Type 4X/IP66/IP67/IP69/IP69K.
What auxiliary contact options are available?
Options include 2, 3, or 4 auxiliary/pilot contacts.
What is the current interruption capability?
The current interruption capability is for up to 250 VAC.
What is the short circuit rating?
The short circuit rating is 100 kA.
How to Install the MELTRIC DR7c Series Receptacle
This guide provides step-by-step instructions for the installation and initial setup of the MELTRIC DR7c series receptacle, ensuring safe and reliable electrical connections.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Terminal connectors
- Disconnect power
Before starting the installation, ensure that all sources of power to the circuit are disconnected to eliminate the risk of electrical shock.
- Mount the receptacle
Secure the receptacle to the desired mounting surface using the provided mounting screws. Ensure that the latch is positioned at the top for optimal operation.
- Prepare the wiring
Strip the cable sheath and individual wires according to the lengths specified in Table 4 of the manual. Ensure that the conductors are twisted together for a secure connection.
- Connect the wires
Back out the terminal screws on the receptacle enough to insert the conductors. Insert each conductor fully into its respective terminal and tighten the screws to the torque specified in Table 5.
- Verify connections
Use a multimeter to check the continuity of the connections and ensure that there are no short circuits before restoring power.
- Restore power and test
Once all connections are verified, restore power to the circuit and test the receptacle by connecting a compatible plug to ensure proper operation.
Frequently Asked Questions about Meltric
What certifications and standards do Meltric products comply with?
Meltric products are rigorously certified and comply with multiple critical industrial standards, including UL 2682, UL 508, UL 98, UL 1682, and CSA 22.2 No. 182.1. Their devices are UL and CSA listed with comprehensive ratings covering electrical endurance, short circuit withstand capabilities, motor circuit disconnect switching, and environmental protection standards like Type 4X/IP69/IP69K. Specific certifications include switch-rated plug and receptacle listings that exceed standard industry requirements.
What are the key features of Meltric products?
Meltric products feature advanced safety and reliability technologies, including spring-assisted terminals, push-button circuit disconnection, enclosed arc chambers, and integrated lockout-tagout capabilities. Key innovations include silver-nickel butt-style contacts, a quick-break mechanism that disconnects circuits in 15 milliseconds, and a self-cleaning contact system. Most devices offer modular construction, optional auxiliary contacts, and automatic watertightness, with robust casings made of fiberglass-reinforced thermoplastic polyamide that resist impact and harsh environments.
What environmental ratings do Meltric products have?
Meltric products feature robust environmental ratings, including Type 4X/IP69/IP69K certification, which also meets IP66/IP67 requirements. Their devices are rated to operate in temperatures from -40°F to 140°F, with specific IK ratings for impact resistance ranging from 08 to 10 Joules depending on the product material and model. Metal-cased products typically have higher impact resistance (IK10 with 20 Joules) compared to polymer-based products (IK09 with 10 Joules).
What industries and applications are Meltric products used for?
Meltric products are used across multiple heavy industrial and hazardous environments, including chemical plants, pharmaceutical facilities, oil and gas operations, grain silos, wood processing plants, plastics manufacturing, and wastewater treatment facilities. Their specialized plugs and receptacles are engineered for high-amperage equipment, wet/washdown environments, and locations with explosive gas or dust risks, with specific product lines like DSN and DS Series designed for different industrial applications ranging from 75-100 horsepower equipment.
What technical support does Meltric offer?
Meltric offers comprehensive technical support through multiple channels. Their Customer Service group provides immediate phone support at 800-433-7642, with trained representatives located at their manufacturing facility. Additionally, Meltric's engineering team offers specialized application support, custom design solutions, and can help integrate Meltric and third-party components into power distribution products.
What are the main product lines offered by Meltric?
Meltric offers a comprehensive range of industrial electrical plugs and receptacles across several key product lines: Switch-Rated Plugs & Receptacles (DSN and DS series from 20-200A), Multipin Connectors (6-37 pin, 2-50A), Standard Duty Plugs & Receptacles (DR, PN, DSDC series), High Ampacity Plugs & Receptacles (PF/PFQ, DR400, CS1000, SP series from 300-600A), and specialized options like RETTBOX electromagnetic self-ejection devices and PNHT high-temperature connectors.
What accessories are available for Meltric products?
Meltric offers a comprehensive range of accessories for their industrial plugs and receptacles, including handles, angle adapters, junction boxes, poly conduit entry boxes, finger drawplates, and protective/padlockable inlet/plug caps. These modular accessories allow customers to customize their electrical connection solutions, with options like 30° and 70° angles, metal and poly configurations, and additional features such as auxiliary contacts and locking mechanisms.
How are Meltric products typically installed?
Meltric products are typically installed by inserting the plug into the receptacle with a simple 30-degree clockwise rotation, which latches the connection and energizes the circuit. The installation process is designed for safety, featuring automatic watertight sealing, dead-front safety shutters, and spring-loaded butt-style contacts that ensure optimal electrical performance. For motor change-outs, qualified workers follow a specific procedure including verifying de-energization, applying lockout/tagout, and carefully inserting the plug into the receptacle.
What is Meltric's warranty policy?
Meltric offers a comprehensive 5-year warranty on electrical contacts for all its plug and receptacle products. This warranty reflects the company's confidence in the durability and high-quality design of their electrical components, which are engineered to provide superior performance and reliability in industrial applications.
